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Tochigi Prefecture Air Quality

ByPaul (Poison Fish) Manjyu Woodman

Aug 29, 2026 #Air Quality, #Japan, #Japanese, #Prefecture, #Tochigi, #Tochigi Prefecture, #Tochigi Prefecture Air Quality, #Weather
Tochigi Prefecture Air QualityTochigi Prefecture Air Quality

Tochigi Prefecture AQI – Detailed Air Quality

Display current air quality index and forecast for the upcoming days in Tochigi Prefecture.

Today’s Air Quality Index (AQI)
Real-time PM2.5, PM10 air pollution level in Utsunomiya, Tochigi Capital
7:21 PM, September 11, 2026
Last updated on: 7:21 PM
Live AQI 51
Air Quality is Moderate
PM₂.₅: 10.05µg/m³ PM₁₀: 12.19µg/m³
Moderate The air quality is generally acceptable for most people. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.
Good Moderate Poor Unhealthy Severe Hazardous 0 50 100 150 200 250 300+
Air Quality Hourly Forecast
51
Min at 7:00 PM on Sep 11
82
Max at 9:00 AM on Sep 12, 2026

Tochigi Prefecture Historical Air Quality Data

Display historical AQI data calendar by selecting a specific date and location Tochigi Prefecture.

Utsunomiya, Tochigi Capital Historical Air Quality Data

Explore historical AQI data and pollutant changes over time.
Sep 11, 2026 7:21 PM
SUNMONTUEWEDTHUFRISAT
26
144
Poor
PM2.5: 47
AQI
144
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 47 µg/m3
PM₁₀ 50 µg/m3
SO₂ 10 µg/m3
NO₂ 20 µg/m3
O₃ 63 µg/m3
CO 260 µg/m3
AQI Hourly Forecast Graph
109
Min at 12:00 AM on Jul 26
171
Max at 10:00 AM on Jul 26, 2026
27
61
Moderate
PM2.5: 13
AQI
61
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 13 µg/m3
PM₁₀ 17 µg/m3
SO₂ 22 µg/m3
NO₂ 54 µg/m3
O₃ 2 µg/m3
CO 231 µg/m3
AQI Hourly Forecast Graph
43
Min at 7:00 AM on Jul 27
95
Max at 1:00 AM on Jul 27, 2026
28
64
Moderate
PM2.5: 14
AQI
64
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 14 µg/m3
PM₁₀ 17 µg/m3
SO₂ 11 µg/m3
NO₂ 30 µg/m3
O₃ 19 µg/m3
CO 215 µg/m3
AQI Hourly Forecast Graph
56
Min at 1:00 PM on Jul 28
80
Max at 3:00 AM on Jul 28, 2026
29
121
Poor
PM2.5: 35
AQI
121
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 35 µg/m3
PM₁₀ 37 µg/m3
SO₂ 11 µg/m3
NO₂ 24 µg/m3
O₃ 74 µg/m3
CO 267 µg/m3
AQI Hourly Forecast Graph
66
Min at 1:00 AM on Jul 29
191
Max at 10:00 PM on Jul 29, 2026
30
148
Poor
PM2.5: 49
AQI
148
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 49 µg/m3
PM₁₀ 52 µg/m3
SO₂ 12 µg/m3
NO₂ 25 µg/m3
O₃ 102 µg/m3
CO 325 µg/m3
AQI Hourly Forecast Graph
127
Min at 2:00 AM on Jul 30
188
Max at 4:00 PM on Jul 30, 2026
31
190
Unhealthy
PM2.5: 70
AQI
190
Air Quality is Unhealthy Health risks increase. Everyone should limit the time spent outdoors.
PM₂.₅ 70 µg/m3
PM₁₀ 75 µg/m3
SO₂ 13 µg/m3
NO₂ 33 µg/m3
O₃ 73 µg/m3
CO 365 µg/m3
AQI Hourly Forecast Graph
143
Min at 1:00 AM on Jul 31
223
Max at 4:00 PM on Jul 31, 2026
01
176
Unhealthy
PM2.5: 63
AQI
176
Air Quality is Unhealthy Health risks increase. Everyone should limit the time spent outdoors.
PM₂.₅ 63 µg/m3
PM₁₀ 68 µg/m3
SO₂ 11 µg/m3
NO₂ 21 µg/m3
O₃ 88 µg/m3
CO 291 µg/m3
AQI Hourly Forecast Graph
156
Min at 2:00 PM on Aug 1
210
Max at 5:00 AM on Aug 1, 2026
02
119
Poor
PM2.5: 34
AQI
119
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 34 µg/m3
PM₁₀ 38 µg/m3
SO₂ 10 µg/m3
NO₂ 21 µg/m3
O₃ 69 µg/m3
CO 215 µg/m3
AQI Hourly Forecast Graph
18
Min at 6:00 PM on Aug 2
209
Max at 8:00 AM on Aug 2, 2026
03
25
Good
PM2.5: 5
AQI
25
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 5 µg/m3
PM₁₀ 14 µg/m3
SO₂ 6 µg/m3
NO₂ 16 µg/m3
O₃ 37 µg/m3
CO 114 µg/m3
AQI Hourly Forecast Graph
21
Min at 2:00 AM on Aug 3
31
Max at 12:00 PM on Aug 3, 2026
04
40
Good
PM2.5: 8
AQI
40
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 8 µg/m3
PM₁₀ 19 µg/m3
SO₂ 7 µg/m3
NO₂ 16 µg/m3
O₃ 57 µg/m3
CO 127 µg/m3
AQI Hourly Forecast Graph
23
Min at 2:00 AM on Aug 4
55
Max at 12:00 AM on Aug 4, 2026
05
54
Moderate
PM2.5: 11
AQI
54
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 11 µg/m3
PM₁₀ 19 µg/m3
SO₂ 9 µg/m3
NO₂ 22 µg/m3
O₃ 51 µg/m3
CO 150 µg/m3
AQI Hourly Forecast Graph
39
Min at 12:00 PM on Aug 5
65
Max at 12:00 AM on Aug 5, 2026
06
74
Moderate
PM2.5: 17
AQI
74
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 17 µg/m3
PM₁₀ 24 µg/m3
SO₂ 9 µg/m3
NO₂ 27 µg/m3
O₃ 27 µg/m3
CO 179 µg/m3
AQI Hourly Forecast Graph
48
Min at 3:00 AM on Aug 6
85
Max at 5:00 PM on Aug 6, 2026
07
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 13 µg/m3
SO₂ 7 µg/m3
NO₂ 12 µg/m3
O₃ 30 µg/m3
CO 123 µg/m3
AQI Hourly Forecast Graph
37
Min at 3:00 AM on Aug 7
78
Max at 1:00 AM on Aug 7, 2026
08
71
Moderate
PM2.5: 16
AQI
71
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 16 µg/m3
PM₁₀ 23 µg/m3
SO₂ 8 µg/m3
NO₂ 14 µg/m3
O₃ 38 µg/m3
CO 125 µg/m3
AQI Hourly Forecast Graph
47
Min at 1:00 AM on Aug 8
80
Max at 12:00 AM on Aug 8, 2026
09
109
Poor
PM2.5: 29
AQI
109
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 29 µg/m3
PM₁₀ 35 µg/m3
SO₂ 12 µg/m3
NO₂ 38 µg/m3
O₃ 19 µg/m3
CO 195 µg/m3
AQI Hourly Forecast Graph
89
Min at 1:00 AM on Aug 9
122
Max at 4:00 PM on Aug 9, 2026
10
64
Moderate
PM2.5: 14
AQI
64
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 14 µg/m3
PM₁₀ 18 µg/m3
SO₂ 9 µg/m3
NO₂ 21 µg/m3
O₃ 57 µg/m3
CO 158 µg/m3
AQI Hourly Forecast Graph
33
Min at 8:00 PM on Aug 10
102
Max at 1:00 AM on Aug 10, 2026
11
50
Good
PM2.5: 10
AQI
50
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 10 µg/m3
PM₁₀ 12 µg/m3
SO₂ 7 µg/m3
NO₂ 12 µg/m3
O₃ 61 µg/m3
CO 148 µg/m3
AQI Hourly Forecast Graph
28
Min at 8:00 PM on Aug 11
63
Max at 10:00 AM on Aug 11, 2026
12
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 12 µg/m3
SO₂ 8 µg/m3
NO₂ 27 µg/m3
O₃ 22 µg/m3
CO 184 µg/m3
AQI Hourly Forecast Graph
29
Min at 4:00 AM on Aug 12
60
Max at 11:00 PM on Aug 12, 2026
13
35
Good
PM2.5: 7
AQI
35
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 7 µg/m3
PM₁₀ 9 µg/m3
SO₂ 7 µg/m3
NO₂ 27 µg/m3
O₃ 7 µg/m3
CO 160 µg/m3
AQI Hourly Forecast Graph
14
Min at 4:00 AM on Aug 13
58
Max at 1:00 AM on Aug 13, 2026
14
61
Moderate
PM2.5: 13
AQI
61
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 13 µg/m3
PM₁₀ 15 µg/m3
SO₂ 11 µg/m3
NO₂ 30 µg/m3
O₃ 2 µg/m3
CO 234 µg/m3
AQI Hourly Forecast Graph
36
Min at 2:00 AM on Aug 14
73
Max at 5:00 PM on Aug 14, 2026
15
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 15 µg/m3
SO₂ 10 µg/m3
NO₂ 29 µg/m3
O₃ 14 µg/m3
CO 146 µg/m3
AQI Hourly Forecast Graph
35
Min at 4:00 PM on Aug 15
63
Max at 1:00 AM on Aug 15, 2026
16
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 15 µg/m3
SO₂ 10 µg/m3
NO₂ 32 µg/m3
O₃ 12 µg/m3
CO 171 µg/m3
AQI Hourly Forecast Graph
35
Min at 2:00 AM on Aug 16
63
Max at 12:00 AM on Aug 16, 2026
17
71
Moderate
PM2.5: 16
AQI
71
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 16 µg/m3
PM₁₀ 22 µg/m3
SO₂ 17 µg/m3
NO₂ 45 µg/m3
O₃ 7 µg/m3
CO 225 µg/m3
AQI Hourly Forecast Graph
46
Min at 4:00 AM on Aug 17
100
Max at 12:00 AM on Aug 17, 2026
18
64
Moderate
PM2.5: 14
AQI
64
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 14 µg/m3
PM₁₀ 21 µg/m3
SO₂ 13 µg/m3
NO₂ 34 µg/m3
O₃ 18 µg/m3
CO 200 µg/m3
AQI Hourly Forecast Graph
44
Min at 5:00 AM on Aug 18
99
Max at 1:00 AM on Aug 18, 2026
19
74
Moderate
PM2.5: 17
AQI
74
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 17 µg/m3
PM₁₀ 24 µg/m3
SO₂ 12 µg/m3
NO₂ 29 µg/m3
O₃ 29 µg/m3
CO 199 µg/m3
AQI Hourly Forecast Graph
63
Min at 1:00 PM on Aug 19
101
Max at 1:00 AM on Aug 19, 2026
20
80
Moderate
PM2.5: 19
AQI
80
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 19 µg/m3
PM₁₀ 24 µg/m3
SO₂ 13 µg/m3
NO₂ 23 µg/m3
O₃ 39 µg/m3
CO 183 µg/m3
AQI Hourly Forecast Graph
66
Min at 11:00 PM on Aug 20
90
Max at 2:00 AM on Aug 20, 2026
21
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 12 µg/m3
SO₂ 7 µg/m3
NO₂ 20 µg/m3
O₃ 35 µg/m3
CO 170 µg/m3
AQI Hourly Forecast Graph
31
Min at 7:00 PM on Aug 21
73
Max at 3:00 AM on Aug 21, 2026
22
93
Moderate
PM2.5: 23
AQI
93
Air Quality is Moderate Air is acceptable, but sensitive individuals should closely monitor their symptoms.
PM₂.₅ 23 µg/m3
PM₁₀ 26 µg/m3
SO₂ 13 µg/m3
NO₂ 42 µg/m3
O₃ 23 µg/m3
CO 233 µg/m3
AQI Hourly Forecast Graph
39
Min at 1:00 AM on Aug 22
130
Max at 9:00 PM on Aug 22, 2026
23
128
Poor
PM2.5: 39
AQI
128
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 39 µg/m3
PM₁₀ 41 µg/m3
SO₂ 12 µg/m3
NO₂ 38 µg/m3
O₃ 22 µg/m3
CO 280 µg/m3
AQI Hourly Forecast Graph
115
Min at 7:00 AM on Aug 23
159
Max at 11:00 PM on Aug 23, 2026
24
126
Poor
PM2.5: 38
AQI
126
Air Quality is Poor Air may cause discomfort. Sensitive groups should reduce outdoor exposure.
PM₂.₅ 38 µg/m3
PM₁₀ 40 µg/m3
SO₂ 7 µg/m3
NO₂ 17 µg/m3
O₃ 67 µg/m3
CO 228 µg/m3
AQI Hourly Forecast Graph
68
Min at 12:00 AM on Aug 24
152
Max at 5:00 AM on Aug 24, 2026
25
5
Good
PM2.5: 1
AQI
5
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 1 µg/m3
PM₁₀ 1 µg/m3
SO₂ 0 µg/m3
NO₂ 0 µg/m3
O₃ 2 µg/m3
CO 8 µg/m3
AQI Hourly Forecast Graph
67
Min at 1:00 AM on Aug 25
67
Max at 1:00 AM on Aug 25, 2026
26
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 15 µg/m3
SO₂ 6 µg/m3
NO₂ 16 µg/m3
O₃ 48 µg/m3
CO 148 µg/m3
AQI Hourly Forecast Graph
40
Min at 2:00 PM on Aug 26
64
Max at 2:00 AM on Aug 26, 2026
27
0
Good
PM2.5: 0
AQI
0
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 0 µg/m3
PM₁₀ 1 µg/m3
SO₂ 0 µg/m3
NO₂ 1 µg/m3
O₃ 0 µg/m3
CO 8 µg/m3
AQI Hourly Forecast Graph
44
Min at 1:00 AM on Aug 27
44
Max at 1:00 AM on Aug 27, 2026
29
45
Good
PM2.5: 9
AQI
45
Air Quality is Good Air quality is excellent. No health concerns for any group.
PM₂.₅ 9 µg/m3
PM₁₀ 10 µg/m3
SO₂ 8 µg/m3
NO₂ 25 µg/m3
O₃ 20 µg/m3
CO 190 µg/m3
AQI Hourly Forecast Graph
23
Min at 2:00 PM on Aug 29
91
Max at 2:00 AM on Aug 29, 2026

Tochigi Prefecture Historical Weather Data

Display historical weather data by selecting a specific date and location Tochigi Prefecture.

Display historical weather data by selecting a specific date and location Tochigi Prefecture.

Utsunomiya, Tochigi CapitalSep 10, 2026
weather image
19 °C | °F
Patchy rain possible
Max 21 °
Min 18 °
Humidity 87 %
Wind 36 Km/h
Visibility 10 km
UV Index 1
Sunrise 5:18 AM
Sunset 5:55 PM
Moonrise 3:38 AM
Moonset 5:14 PM
Precipitation 2.1 mm
Snow 0 mm/h
Rain Chance 100%
Historical Weather from WeatherAPI

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